Concealed duct mini split air conditioners provide efficient cooling and heating while maintaining a sleek, discreet appearance for your home or business. Alongside the units, line set covers help protect and hide refrigerant and electrical lines, enhancing both functionality and visual appeal. Below is a summary table of top products, including concealed duct mini splits and line set covers, to help you choose the best setup for your needs.
| Product | Type | Key Highlights |
|---|---|---|
| Cooper & Hunter 48,000 BTU Concealed Duct Mini Split | Mini Split Air Conditioner | 48,000 BTU Cooling, Heat Pump, High SEER, Whisper Quiet |
| Manastin 12000BTU Mini Split AC & Heater | Mini Split Air Conditioner & Heater | 17 SEER2 Inverter, Fast Cooling/Heating, 750 Sq. Ft. Coverage |
| Nouscan 3″ W 9Ft Mini Split Line Set Cover with Flexible Duct | Line Set Cover | Durable PP Material, Paintable, Long Straight Duct Pieces |
| DuctlessAire Paintable Mini Split Line Set Cover Kit | Line Set Cover | Weather Resistant, Customizable Fit, Paintable |
| SMOQIO Mini Split Line Set Cover 3 Inch 12.5Ft | Line Set Cover | Simple Two-Piece Design, UV Protection, Paintable |
Content Navigation
- Cooper & Hunter 48,000 BTU Concealed Duct Mini Split Air Conditioner
- Manastin 12000BTU Mini Split Air Conditioner & Heater
- Nouscan 3″ W 9Ft Mini Split Line Set Cover with Flexible Duct
- DuctlessAire Paintable Mini Split Line Set Cover Kit
- SMOQIO Mini Split Line Set Cover 3 Inch 12.5Ft
- Buying Guide For Concealed Duct Mini Split Air Conditioners And Line Set Covers
Cooper & Hunter 48,000 BTU Concealed Duct Mini Split Air Conditioner

The Cooper & Hunter 48,000 BTU Concealed Duct Mini Split offers powerful cooling and heating for larger spaces with a high efficiency rating of 17.4 SEER for cooling and 10.3 HSPF4 for heating. Designed for quiet operation using whisper technology, it is ideal for bedrooms, additions, living rooms, and commercial areas. The 208-230V power supply supports robust performance, and the included 25ft installation kit streamlines setup. This model efficiently blends performance with discreet ducted installation, making it a practical choice for those prioritizing hidden systems and effectiveness.
Manastin 12000BTU Mini Split Air Conditioner & Heater

This Manastin 12000BTU Mini Split AC & Heater delivers fast cooling within 30 seconds and heating in 60 seconds, suitable for rooms up to 750 sq. ft. It features advanced inverter technology with a 17 SEER2 rating, achieving energy efficiency and eco-friendliness via R32 refrigerant. The unit offers multiple operational modes including Turbo, ECO, Sleep, and Silent, tailored for performance and comfort. A complete installation kit is included, making it a convenient and energy-efficient solution for both heating and cooling needs in medium-sized spaces.
Nouscan 3″ W 9Ft Mini Split Line Set Cover with Flexible Duct

The Nouscan Mini Split Line Set Cover Kit consists of durable polypropylene materials with zinc-plated screws to resist rust and extend service life. Its 39.37-inch straight ducts reduce the number of joints required, resulting in a cleaner and more efficient installation. This kit is customizable and paintable to seamlessly blend with your building’s exterior. It is designed to effectively organize and protect pipes and wiring from environmental damage, enhancing the lifespan and aesthetics of your mini split system.
DuctlessAire Paintable Mini Split Line Set Cover Kit

The DuctlessAire Mini Split Line Set Cover Kit offers a white universal cover for refrigerant, electrical, and plumbing lines. Made from weather-resistant materials, it is built for durability and suitable for indoor and outdoor use. Its customizable design allows cutting and adjustment to fit varied installation layouts, including corners and bends. Additionally, its paintable surface enables perfect integration with your home’s decor, creating a neat, professional look while protecting system lines from harsh weather exposure.
SMOQIO Mini Split Line Set Cover 3 Inch 12.5Ft

The SMOQIO Mini Split Line Set Cover features a two-piece design that simplifies installation over existing or new lines. The kit includes a clear instruction manual and is easy to remove for servicing. It protects copper pipes from weather, UV rays, and rodent damage. Paintable for matching exterior walls, it also offers indoor accessories like ties and bases to neatly organize pipes. This kit balances protection and aesthetics, extending AC system lifespan while maintaining clean visuals.
Buying Guide For Concealed Duct Mini Split Air Conditioners And Line Set Covers
Choosing the right concealed duct mini split air conditioner and complementary line set cover requires attention to several key factors to ensure optimal performance, durability, and installation convenience.
Cooling And Heating Capacity
Evaluate the BTU rating relative to your room size or building space. Units like the Cooper & Hunter 48,000 BTU model suit larger spaces, while 12,000 BTU units such as those from Manastin are ideal for medium-sized rooms around 750 sq. ft. Proper sizing avoids inefficiency caused by over or underpowered units.
Energy Efficiency Ratings
Look for models with high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Higher scores mean better energy savings and lower utility bills. Inverter technology further improves efficiency by adjusting compressor speed based on temperature needs.
Refrigerant Type
Eco-friendly refrigerants like R32, used in advanced models, reduce environmental impact and improve performance. Confirm refrigerant compatibility when planning future maintenance or refills.
Installation And Line Set Covers
A quality line set cover protects refrigerant and electrical lines from weather, UV exposure, and pests. Consider materials like durable PVC or polypropylene that are weather-resistant and paintable for cohesive aesthetics. Kits with flexible ducts and customizable parts simplify installation around corners and walls.
Noise Levels
For bedrooms or living spaces, opt for units advertised with whisper or silent technology to maintain quiet operation and comfort.
Additional Features
Multi-mode options (cooling, heating, fan, dry), programmable timers, and remote controls provide convenience and enhance usability. Some models offer turbo or sleep modes catering to specific comfort preferences.
In summary, balancing system capacity, efficiency, durability of lineset protection, and user-friendly features will help you select the best concealed duct mini split AC and line set cover kit tailored to your living or work environment.